In case youre out of the loop, weve written an article including everything you need to know, and there is to know, about March of the Machine: The Aftermath
However, I dont like it in other versions because it dies to removal easily and needs other cards alongside it to make it work
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Mind Stone is the weakest of these, it's hardly good enough in monocolor decks these days and just plain awful in a 3C deck that needs mana-fixing
Sol Ring, Arcane Signet, and Pristine Talisman ensure youre never short on mana
Participants should sanitize their hands thoroughly and regularly